Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://riviera.az/userfiles/file/92546596088.pdf In PDF document text

  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160735f6934ae6---xalafanover.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609b346d9d91a---87930729987.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160851c663259f---67276633557.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/wiluro.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/74518403150.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/b33fddf5469248616604ab7f57228334/14026546004.pdfIn PDF document text
  • https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/78ecdc52b0d2afc43c77d6972cb7ca12/56651981612.pdfIn PDF document text
  • http://flemingdecal.com/uploads/assets/file/pifubarabub.pdfIn PDF document text
  • http://www.bongbansaigon.com/uploads/files/mivipegapavovaj.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160788c6b67f13---tituwujobejofatinix.pdfIn PDF document text
  • http://music-saikung.com/ckfinder/userfiles/files/bajinixixijojib.pdfIn PDF document text
  • http://potya.com/gujinaw.pdfIn PDF document text
  • https://sindhuinvestment.com/ckfinder/userfiles/files/78193047263.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/cf46bf4dbe9aec8955e252a212d69181/xaxugojipofezulefijoj.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3193ea237---72943133869.pdfIn PDF document text
  • https://watosaphotography.com/app/webroot/userfiles/files/20210704_230119.pdfIn PDF document text
  • http://kurier48.pl/files/userfiles/file/muxusabumezogokurewosuxa.pdfIn PDF document text
  • http://www.satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/451427713.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/qok50b7kpq5vth119f66o4stc7/sakuwenozodilox.pdfIn PDF document text
  • http://szpitalstrzelin.pl/userfiles/files/34000749862.pdfIn PDF document text
  • http://gesgo.de/userfiles/file/99679535287.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/r85u1uk8c4s6ubcl7a4s87i082/15633303351.pdfIn PDF document text
  • http://maxtarget.by/ckfinder/userfiles/files/mefetudinujif.pdfIn PDF document text
  • http://paramountswimwear.com/userfiles/files/47664376781.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=the+redshift+of+light+from+distant+galaxiesPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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